（Ψωφίς), the founder of the town of Psophis in Arcadia, was, according to some, a son of Arrhon, but, according to others, Psophis was a woman, a daughter of Xanthus or of Eryx. (Paus. 8.24.1.) [L.S]
William Smith. A Dictionary of Greek and Roman biography and mythology. London. John Murray: printed by Spottiswoode and Co., New-Street Square and Parliament Street. In the article on Soranus, we find: "at this present time (1848)" and this date seems to reflect the dates of works cited. 1873 - probably the printing date.